fix(cp): add invalid type error

Author: everett1992

lib/errors.js

@@ -105,3 +105,11 @@ E('ERR_FS_CP_SOCKET', 'Cannot copy a socket file')
 E('ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY', 'Cannot overwrite symlink in subdirectory of self')
 E('ERR_FS_CP_UNKNOWN', 'Cannot copy an unknown file type')
 E('ERR_FS_EISDIR', 'Path is a directory')
+
+module.exports.ERR_INVALID_ARG_TYPE = class ERR_INVALID_ARG_TYPE extends Error {
+  constructor(name, expected, actual) {
+    super()
+    this.code = 'ERR_INVALID_ARG_TYPE'
+    this.message = `The ${name} argument must be ${expected}. Received ${typeof actual}`
+  }
+}